| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
|---|
| 01/19/2015 | CA2857386A1 Threaded connections and methods |
| 01/15/2015 | WO2015006325A1 Pressure equalizers for shaft seals of a downhole gearbox |
| 01/15/2015 | WO2015005907A1 Methods and apparatus for mitigating downhole torsional vibration |
| 01/15/2015 | WO2015005897A1 Continuously sealing telescoping joint having multiple control lines |
| 01/15/2015 | WO2015005895A1 Telescoping joint with control line management assembly |
| 01/15/2015 | WO2015005782A1 Riser flow control |
| 01/15/2015 | WO2015004572A1 System for non-destructive penetration of a substrate |
| 01/15/2015 | WO2015004203A1 System for drilling a borehole and use thereof |
| 01/15/2015 | US20150014989 Connector assembly |
| 01/15/2015 | US20150014066 Force application reduction employing actuator and thrust bearing |
| 01/15/2015 | US20150013997 Downhole tool and method |
| 01/15/2015 | US20150013994 Bell Nipple Assembly Apparatus and Methods |
| 01/15/2015 | US20150013992 Top Entry Wireline Apparatus and Methods |
| 01/15/2015 | US20150013976 Intelligent well system and method |
| 01/15/2015 | US20150013963 Insulating Component |
| 01/14/2015 | EP2824274A2 Microtunneling system and apparatus |
| 01/14/2015 | EP2823209A2 Latching assembly for wellbore logging tools and method of use |
| 01/14/2015 | EP2823138A1 Deactivation of packer with safety joint |
| 01/14/2015 | EP2823132A2 Composite centralizer with expandable elements |
| 01/14/2015 | EP2823131A2 Apparatus and methods of running an expandable liner |
| 01/14/2015 | EP2823130A1 Locking safety joint for use in a subterranean well |
| 01/14/2015 | CN204098898U 安全快速接头 Safety Quick Coupling |
| 01/14/2015 | CN204098892U 一种井下气液分离管柱 A downhole gas-liquid separation column |
| 01/14/2015 | CN204098839U 井口防挂装置 Wellhead anti-hanging device |
| 01/14/2015 | CN204098821U 一种泥浆导流管快速连接装置 One kind of mud diversion pipe quick connect device |
| 01/14/2015 | CN204098805U 可重复使用的防冰护管 Anti-Ice reusable protective tube |
| 01/14/2015 | CN204098804U 起下作业井口油管扶正器 Starting next job wellhead tubing centralizer |
| 01/14/2015 | CN204098803U 一种海洋立管涡激振动减振装置 A MARINE riser VIV damping device |
| 01/14/2015 | CN204098802U Ttgm-4 特殊螺纹结构油套管 Ttgm-4 special thread structure Casing |
| 01/14/2015 | CN204098801U 钻杆接头 Drill pipe joints |
| 01/14/2015 | CN204098800U 一种实现螺纹连接式螺旋钻杆抱钻反转抽出装置 An implementation hold threaded screw drill drill reverse extraction device |
| 01/14/2015 | CN204098799U 空心抽油杆密封接头 Hollow rod gland |
| 01/14/2015 | CN204098798U 组合式防腐耐磨抽油杆 Combined corrosion resistant rod |
| 01/14/2015 | CN204098797U 一种加厚端电阻焊连接加重钻杆 One kind of resistance welding thick end connection HWDP |
| 01/14/2015 | CN204098779U 钻孔机结构 Drills structure |
| 01/14/2015 | CN104278955A 双液缸液压套管扶正器 Dual hydraulic cylinders hydraulic casing centralizer |
| 01/14/2015 | CN104278948A 一种螺杆钻具传动轴总成 A screw drill shaft assembly |
| 01/14/2015 | CN103216192B 一种具有地下探测功能的螺旋钻进机器人 Spiral kind of underground drilling robot detection function |
| 01/14/2015 | CN102767340B 一种多相流流动调整装置及利用其抑制段塞流的方法 A multi-phase flow flow adjustment device and use it to suppress slug flow method |
| 01/13/2015 | US8931807 Connector |
| 01/13/2015 | US8931581 Drilling tool |
| 01/13/2015 | US8931570 Reactive in-flow control device for subterranean wellbores |
| 01/13/2015 | US8931563 Auxiliary subsurface compensator |
| 01/13/2015 | US8931560 Downhole swivel apparatus and method |
| 01/13/2015 | US8931552 Cables for downhole use |
| 01/13/2015 | CA2599836C Hydrocarbon application hose |
| 01/08/2015 | WO2015002634A1 Long-stroke hydraulic lift system having reduced height |
| 01/08/2015 | WO2015000071A1 Method for producing oil from induced fractures using a single wellbore and multiple-channel tubing |
| 01/08/2015 | US20150012253 Designing a Drillstring |
| 01/08/2015 | US20150008667 Tightly threaded joint for oil field pipes |
| 01/08/2015 | US20150008045 Steerable Drilling System |
| 01/08/2015 | US20150008043 Rotary Steerable Push-the-Bit Drilling Apparatus with Self-Cleaning Fluid Filter |
| 01/08/2015 | US20150008042 Friction reducing wear band and method of coupling a wear band to a tubular |
| 01/08/2015 | US20150008040 Drilling device and drilling method |
| 01/08/2015 | US20150008036 Boost system and method for dual gradient drilling |
| 01/08/2015 | US20150008002 Tapered Spline Connection for Drill Pipe, Casing, and Tubing |
| 01/08/2015 | US20150007999 Stoppers for Structures Attached to Hybrid Riser Towers |
| 01/08/2015 | US20150007993 Protection of casing lowside while milling casing exit |
| 01/08/2015 | DE102013011156A1 Bohrlochkomplettierung einer Speicherbohrung A completion of a memory hole |
| 01/07/2015 | EP2821586A2 Completion of a storage bore well |
| 01/07/2015 | EP2820452A1 Methods and apparatus for transmission of telemetry data |
| 01/07/2015 | EP2820230A2 A continuous rotary drilling system and method of use |
| 01/07/2015 | EP2820229A1 Rotating and translating shunt tube assembly |
| 01/07/2015 | EP2820228A2 Drill pipe |
| 01/07/2015 | EP2819938A1 Screw element for a screw conveyor |
| 01/07/2015 | CN204082099U 一种螺杆泵采油工艺管柱 One kind of screw oil production string |
| 01/07/2015 | CN204082067U 一种管柱解卡装置 One kind of string solution card device |
| 01/07/2015 | CN204082045U 一种海洋工程用高压泥浆管连接结构 A MARINE engineering with high pressure slurry pipe connection structure |
| 01/07/2015 | CN204082044U 井下开启自锁式套管居中装置 Downhole casing open self-locking center unit |
| 01/07/2015 | CN204082036U 用于软硬复合煤层钻进间隔变径螺旋钻杆 For soft and hard composite seam drilling interval adjustable screw drill |
| 01/07/2015 | CN204082035U 一种可与api螺纹互换的双台肩螺纹 One kind api thread with interchangeable double shoulder thread |
| 01/07/2015 | CN204082034U 一种机械式连续旋转完井引鞋 A mechanical completion continuous rotation guide shoe |
| 01/07/2015 | CN204082033U 下井电缆扶正器 Downhole cable centralizer |
| 01/07/2015 | CN204082032U 一种液压弹性扶正器 A hydraulic elastic centralizer |
| 01/07/2015 | CN204082031U 钻井隔水套管双卡簧式快速连接装置 Casing Drilling double spring type quick connect device |
| 01/07/2015 | CN204082030U 一种气密封套管螺纹接头 One kind of hermetically sealed casing nipple |
| 01/07/2015 | CN204082029U 一种高抗扭矩高密封性的油套管螺纹接头 A highly anti-torque high sealing oil casing nipple |
| 01/07/2015 | CN204082028U 旋挖钻机通用钻杆与潜孔锤连接装置 Universal rotary drilling rig drill pipe and DTH connection device |
| 01/07/2015 | CN204082027U 一种合金螺杆钻具连接机构 An alloy screw drill attachment mechanism |
| 01/07/2015 | CN204082026U 一种用于旋挖钻机钻杆的带孔方头 A rotary drilling rig drill perforated square head |
| 01/07/2015 | CN204082025U 一种铝合金钻杆及其钻杆钢接头 An aluminum alloy drill pipe and drill steel joints |
| 01/07/2015 | CN204082024U 一种550MPa钢级自升式钻井平台的斜撑管 One kind of 550MPa grade steel jack-up drilling platforms bracing tube |
| 01/07/2015 | CN204082023U 矿井钻孔泄压防喷冲装置 Mine drilling BOP rushed relief device |
| 01/07/2015 | CN204082022U 具有捞砂功能的俯角钻孔钻杆 Depression drilling drill has bailing function |
| 01/07/2015 | CN204082021U 三轴三角形水泥搅拌钻杆 Triaxial triangle cement mixing drill |
| 01/07/2015 | CN204081990U 一种低摩阻可变径液力推力器 A low friction can be adjustable hydraulic thruster |
| 01/07/2015 | CN204075197U 一种用于井下施工用的可溶解金属结构 Soluble metal structures used for underground construction |
| 01/07/2015 | CN104271869A 井下工具和方法 Downhole tools and methods |
| 01/07/2015 | CN104271868A 以机械方式激活的紧急事件释放系统和方法 Mechanically activate the emergency release system and method |
| 01/07/2015 | CN104271788A 用于环形加硬焊接覆盖层的合金 Hardbanding solder alloys for overlay |
| 01/07/2015 | CN104265250A 井下造氮气气井快速诱喷完井管柱 Nitrogen gas underground made rapid completion string induced flow |
| 01/07/2015 | CN104265212A 一种大斜度井钻井用井眼清洁工具 One kind of high-angle wells drilling borehole cleaning tools |
| 01/07/2015 | CN104265199A 螺杆钻具用球柱密封万向轴总成 Ball screw drill column universal shaft seal assembly |
| 01/07/2015 | CN104265198A 球面轴承式隔水管万向节装置 Spherical bearing type riser gimbal device |
| 01/07/2015 | CN104265197A 一种用于螺杆钻具的扶正器 A screw drill centralizer |
| 01/07/2015 | CN104265196A 钻孔扶正器及钻具 Drill and drill centralizer |
| 01/07/2015 | CN104265195A 用于大排量随钻陀螺系统的扶正机构 Righting mechanism for large displacement drilling gyro system |
| 01/07/2015 | CN104265194A 一种全程滚动水平井降阻工具 On Global rolling resistance reduction tool horizontal wells |
| 01/07/2015 | CN104265193A 一种用于抑制圆柱形结构物涡激振动的装置及方法 An apparatus and method for cylindrical structures for VIV suppression |
| 01/07/2015 | CN104265192A Ttgm-4 特殊螺纹结构油套管 Ttgm-4 special thread structure Casing |